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<a href="segregated__thread__task__loop_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno">    1</span><span class="comment">/* Flow</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno">    2</span><span class="comment"> * Copyright 2023 Akamai Technologies, Inc.</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno">    3</span><span class="comment"> *</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno">    4</span><span class="comment"> * Licensed under the Apache License, Version 2.0 (the</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno">    5</span><span class="comment"> * &quot;License&quot;); you may not use this file except in</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno">    6</span><span class="comment"> * compliance with the License.  You may obtain a copy</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno">    7</span><span class="comment"> * of the License at</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno">    8</span><span class="comment"> *</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno">    9</span><span class="comment"> *   https://www.apache.org/licenses/LICENSE-2.0</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno">   10</span><span class="comment"> *</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno">   11</span><span class="comment"> * Unless required by applicable law or agreed to in</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno">   12</span><span class="comment"> * writing, software distributed under the License is</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno">   13</span><span class="comment"> * distributed on an &quot;AS IS&quot; BASIS, WITHOUT WARRANTIES OR</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno">   14</span><span class="comment"> * CONDITIONS OF ANY KIND, either express or implied.</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno">   15</span><span class="comment"> * See the License for the specific language governing</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno">   16</span><span class="comment"> * permissions and limitations under the License. */</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno">   17</span><span class="comment"></span> </div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno">   18</span><span class="comment">/// @file</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno">   19</span><span class="comment"></span><span class="preprocessor">#pragma once</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno">   20</span> </div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno">   21</span><span class="preprocessor">#include &quot;<a class="code" href="async__fwd_8hpp.html">flow/async/async_fwd.hpp</a>&quot;</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno">   22</span><span class="preprocessor">#include &quot;<a class="code" href="detail_2async__fwd_8hpp.html">flow/async/detail/async_fwd.hpp</a>&quot;</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno">   23</span><span class="preprocessor">#include &quot;<a class="code" href="concurrent__task__loop_8hpp.html">flow/async/concurrent_task_loop.hpp</a>&quot;</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno">   24</span><span class="preprocessor">#include &quot;<a class="code" href="log_8hpp.html">flow/log/log.hpp</a>&quot;</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno">   25</span><span class="preprocessor">#include &lt;boost/move/unique_ptr.hpp&gt;</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno">   26</span><span class="preprocessor">#include &lt;vector&gt;</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno">   27</span><span class="preprocessor">#include &lt;string&gt;</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno">   28</span> </div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno">   29</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceflow_1_1async.html">flow::async</a></div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno">   30</span>{</div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno">   31</span><span class="comment"></span> </div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno">   32</span><span class="comment">/**</span></div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno">   33</span><span class="comment"> * Concrete Concurrent_task_loop that uses the legacy pin-`Task`s-within-1-`Op`-to-1-thread method of achieving</span></div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno">   34</span><span class="comment"> * required non-concurrency of `Task`s.</span></div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno">   35</span><span class="comment"> *</span></div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno">   36</span><span class="comment"> * @see Concurrent_task_loop doc header for an overview of this class in the context of sibling classes (alternatives).</span></div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno">   37</span><span class="comment"> *</span></div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno">   38</span><span class="comment"> * By definition all you need to know to use it is in the super-interface Concurrent_task_loop doc header</span></div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno">   39</span><span class="comment"> * (except constructor semantics of course).  However, in choosing this vs. a sibling type, one must at least</span></div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno">   40</span><span class="comment"> * loosely understand its underlying behavior.  To summarize the behavior of this class beyond the interface guarantees:</span></div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno">   41</span><span class="comment"> *   - A no-`Op` stand-alone `Task` executes as soon as thread T becomes available, and T is randomly chosen.</span></div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno">   42</span><span class="comment"> *   - An `Op`-sharing `Task` will *always* execute in the same thread T as the first `Task`; and that T is randomly</span></div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno">   43</span><span class="comment"> *     chosen at the time of that 1st Task.  This ensures they won&#39;t execute concurrently by definition.</span></div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno">   44</span><span class="comment"> *   - per_thread_ops() is organized as follows: If N worker threads are created, then, internally,</span></div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno">   45</span><span class="comment"> *     `per_thread_ops()[i]` is really the i-th thread.  Very simple.</span></div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno">   46</span><span class="comment"> *     - See discussion in Cross_thread_task_loop doc header about an &quot;interesting experiment&quot; related to us.</span></div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno">   47</span><span class="comment"> *</span></div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno">   48</span><span class="comment"> * @internal</span></div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno">   49</span><span class="comment"> *</span></div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno">   50</span><span class="comment"> * @todo In Segregated_thread_task_loop, when dealing with the</span></div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno">   51</span><span class="comment"> * 2-arg `post()` (the one taking an async::Op and an async::Task) and similar</span></div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno">   52</span><span class="comment"> * `schedule_*()` methods -- consider postponing the random thread selection until the last possible moment, as</span></div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno">   53</span><span class="comment"> * opposed to in create_op().  Given that Segregated_thread_task_loop is legacy-ish in nature, the resulting</span></div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno">   54</span><span class="comment"> * significant increase in internal complexity may or may not be worth accepting.  This to-do also makes little</span></div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno">   55</span><span class="comment"> * practical difference without the nearby to-do that would bias in favor of less-loaded threads.</span></div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno">   56</span><span class="comment"> *</span></div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno">   57</span><span class="comment"> * @todo In Segregated_thread_task_loop, when randomly selecting a thread, considering trying to bias in favor of</span></div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno">   58</span><span class="comment"> * threads with less load (perhaps measured as # of tasks enqueued in a given thread&#39;s `Task_engine`); and/or</span></div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno">   59</span><span class="comment"> * round-robin thread assignment; and/or other heuristics.</span></div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno">   60</span><span class="comment"> */</span></div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"><a class="line" href="classflow_1_1async_1_1Segregated__thread__task__loop.html">   61</a></span><span class="keyword">class </span><a class="code hl_class" href="classflow_1_1async_1_1Segregated__thread__task__loop.html">Segregated_thread_task_loop</a> :</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno">   62</span>  <span class="keyword">public</span> <a class="code hl_class" href="classflow_1_1async_1_1Concurrent__task__loop.html">Concurrent_task_loop</a>,</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno">   63</span>  <span class="keyword">public</span> <a class="code hl_class" href="classflow_1_1log_1_1Log__context.html">log::Log_context</a>,</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno">   64</span>  <span class="keyword">private</span> boost::noncopyable</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno">   65</span>{</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno">   66</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno">   67</span>  <span class="comment">// Constructors/destructor.</span></div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno">   68</span><span class="comment"></span> </div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno">   69</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno">   70</span><span class="comment">   * Constructs object, making it available for post() and similar work, but without starting any threads and hence</span></div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno">   71</span><span class="comment">   * without the ability to perform any work; call start() to spawn threads and perform work.</span></div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno">   72</span><span class="comment">   *</span></div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno">   73</span><span class="comment">   * The arguments `n_threads_or_zero` and ones following it should be viewed as configuration for the next</span></div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno">   74</span><span class="comment">   * start() call.</span></div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno">   75</span><span class="comment">   *</span></div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno">   76</span><span class="comment">   * @param logger_ptr</span></div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno">   77</span><span class="comment">   *        Logger to use for subsequently logging.</span></div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno">   78</span><span class="comment">   * @param nickname</span></div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno">   79</span><span class="comment">   *        Brief, human-readable nickname of the new thread pool, as of this writing for logging only.</span></div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno">   80</span><span class="comment">   * @param n_threads_or_zero</span></div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno">   81</span><span class="comment">   *        If non-zero, start() will start exactly this many worker threads; and the system will be entirely entrusted</span></div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno">   82</span><span class="comment">   *        with the question of which thread is assigned to which processor core and any subsequent migration.</span></div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno">   83</span><span class="comment">   *        If zero, start() attempts to optimize the thread count and thread-to-core relationship itself, per</span></div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno">   84</span><span class="comment">   *        optimal_worker_thread_count_per_pool() and optimize_pinning_in_thread_pool().  The thread pool will choose</span></div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno">   85</span><span class="comment">   *        the worker thread count and any thread-to-core relationships as per those methods, having made the</span></div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno">   86</span><span class="comment">   *        assumptions documented for those functions.</span></div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno">   87</span><span class="comment">   * @param est_hw_core_sharing_helps_algo</span></div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno">   88</span><span class="comment">   *        See optimal_worker_thread_count_per_pool().</span></div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno">   89</span><span class="comment">   * @param est_hw_core_pinning_helps_algo</span></div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno">   90</span><span class="comment">   *        See optimize_pinning_in_thread_pool().</span></div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno">   91</span><span class="comment">   * @param hw_threads_is_grouping_collated</span></div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno">   92</span><span class="comment">   *        See optimize_pinning_in_thread_pool().</span></div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno">   93</span><span class="comment">   */</span></div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno">   94</span>  <span class="keyword">explicit</span> <a class="code hl_function" href="classflow_1_1async_1_1Segregated__thread__task__loop.html#a224eeb57edd6e218f984dcbe603b68d3">Segregated_thread_task_loop</a>(<a class="code hl_class" href="classflow_1_1log_1_1Logger.html">log::Logger</a>* logger_ptr, <a class="code hl_typedef" href="namespaceflow_1_1util.html#ae4dc52186797094b3040379ff19124c9">util::String_view</a> nickname,</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno">   95</span>                                       <span class="keywordtype">size_t</span> n_threads_or_zero,</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno">   96</span>                                       <span class="keywordtype">bool</span> est_hw_core_sharing_helps_algo = <span class="keyword">false</span>,</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno">   97</span>                                       <span class="keywordtype">bool</span> est_hw_core_pinning_helps_algo = <span class="keyword">false</span>,</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno">   98</span>                                       <span class="keywordtype">bool</span> hw_threads_is_grouping_collated = <span class="keyword">false</span>);</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno">   99</span><span class="comment"></span> </div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno">  100</span><span class="comment">  /// See superclass destructor.</span></div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno">  101</span><span class="comment"></span>  <a class="code hl_function" href="classflow_1_1async_1_1Segregated__thread__task__loop.html#acc7ece4467f83c910eeec9500ea2554b">~Segregated_thread_task_loop</a>() <span class="keyword">override</span>;</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno">  102</span> </div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno">  103</span>  <span class="comment">// Methods.</span></div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno">  104</span><span class="comment"></span> </div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno">  105</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno">  106</span><span class="comment">   * Implements superclass API.  In this implementation this essentially involves repeating N times:</span></div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno">  107</span><span class="comment">   * `Task_engine::restart()`; spawn thread; in it execute a long-running `Task_engine::run()`.</span></div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno">  108</span><span class="comment">   *</span></div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno">  109</span><span class="comment">   * ### Logging subtlety for large thread pools ###</span></div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno">  110</span><span class="comment">   * See Cross_thread_task_loop::start() doc header similar section: The exact same note applies here.</span></div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno">  111</span><span class="comment">   *</span></div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno">  112</span><span class="comment">   * @param init_task_or_empty</span></div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno">  113</span><span class="comment">   *        See superclass API.</span></div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno">  114</span><span class="comment">   * @param thread_init_func_or_empty</span></div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno">  115</span><span class="comment">   *        See superclass API.</span></div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno">  116</span><span class="comment">   */</span></div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno">  117</span>  <span class="keywordtype">void</span> <a class="code hl_function" href="classflow_1_1async_1_1Segregated__thread__task__loop.html#a55fcb2e9f5410174c69cb1b9053a6ffd">start</a>(<a class="code hl_class" href="classflow_1_1Function.html">Task</a>&amp;&amp; init_task_or_empty = <a class="code hl_typedef" href="namespaceflow_1_1async.html#af35fb65bdea1a3a92929ec2c4a6a6b72">Task</a>(),</div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno">  118</span>             <span class="keyword">const</span> <a class="code hl_class" href="classflow_1_1Function.html">Thread_init_func</a>&amp; thread_init_func_or_empty = <a class="code hl_typedef" href="classflow_1_1async_1_1Concurrent__task__loop.html#aa164fb1fe1b3d7fce0de0174d77ea396">Thread_init_func</a>()) <span class="keyword">override</span>;</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno">  119</span><span class="comment"></span> </div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno">  120</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno">  121</span><span class="comment">   * Implements superclass API.  In this implementation this essentially boils down to N `Task_engine::stop()`s,</span></div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno">  122</span><span class="comment">   * followed by joining each thread started by start().</span></div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno">  123</span><span class="comment">   *</span></div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno">  124</span><span class="comment">   * ### Logging subtlety for large thread pools ###</span></div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno">  125</span><span class="comment">   * See Cross_thread_task_loop::stop() doc header similar section: The exact same note applies here.</span></div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno">  126</span><span class="comment">   */</span></div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno">  127</span>  <span class="keywordtype">void</span> <a class="code hl_function" href="classflow_1_1async_1_1Segregated__thread__task__loop.html#a8d007bcbedf76eb13d4e1a2df087a470">stop</a>() <span class="keyword">override</span>;</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno">  128</span><span class="comment"></span> </div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno">  129</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno">  130</span><span class="comment">   * Implements superclass API.</span></div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno">  131</span><span class="comment">   * @return See superclass API.</span></div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno">  132</span><span class="comment">   */</span></div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno">  133</span>  <span class="keywordtype">size_t</span> <a class="code hl_function" href="classflow_1_1async_1_1Segregated__thread__task__loop.html#a28d7c70f0d3147ba48a10afa84ef98c1">n_threads</a>() <span class="keyword">const override</span>;</div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno">  134</span><span class="comment"></span> </div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno">  135</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno">  136</span><span class="comment">   * Implements superclass API.  In this implementation: async::Op has the &quot;weight&quot; of a raw pointer and internally</span></div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno">  137</span><span class="comment">   * corresponds to a thread.</span></div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno">  138</span><span class="comment">   *</span></div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno">  139</span><span class="comment">   * @return See superclass API.</span></div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno">  140</span><span class="comment">   */</span></div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno">  141</span>  <a class="code hl_typedef" href="namespaceflow_1_1async.html#a024042c64b7dc544a7a5587afa4b1949">Op</a> <a class="code hl_function" href="classflow_1_1async_1_1Segregated__thread__task__loop.html#a8257d8aa45ea527ce6c0783e37346743">create_op</a>() <span class="keyword">override</span>;</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno">  142</span><span class="comment"></span> </div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno">  143</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno">  144</span><span class="comment">   * Implements superclass API.  In this implementation: Each pre-created `Op` internally corresponds (1-to-1 overall)</span></div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno">  145</span><span class="comment">   * to one of the worker threads spawned at construction.</span></div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno">  146</span><span class="comment">   *</span></div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno">  147</span><span class="comment">   * @return See superclass API.</span></div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno">  148</span><span class="comment">   */</span></div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno">  149</span>  <span class="keyword">const</span> <a class="code hl_class" href="classflow_1_1async_1_1Op__list.html">Op_list</a>&amp; <a class="code hl_function" href="classflow_1_1async_1_1Segregated__thread__task__loop.html#a4c42c76a9d3f2926bb5545065d69783e">per_thread_ops</a>() <span class="keyword">override</span>;</div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno">  150</span><span class="comment"></span> </div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno">  151</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno">  152</span><span class="comment">   * Implements superclass API.  In this implementation: `task` will execute as soon as thread T is available, because</span></div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno">  153</span><span class="comment">   * no other applicable work is forthcoming; and T is randomly chosen by the implementation.</span></div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno">  154</span><span class="comment">   *</span></div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno">  155</span><span class="comment">   * @param task</span></div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno">  156</span><span class="comment">   *        See superclass API.</span></div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno">  157</span><span class="comment">   * @param synchronicity</span></div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno">  158</span><span class="comment">   *        See superclass API.</span></div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno">  159</span><span class="comment">   */</span></div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno">  160</span>  <span class="keywordtype">void</span> <a class="code hl_function" href="classflow_1_1async_1_1Segregated__thread__task__loop.html#a9ae5be313170da86f361f8bf987b40b4">post</a>(<a class="code hl_class" href="classflow_1_1Function.html">Task</a>&amp;&amp; task, <a class="code hl_enumeration" href="namespaceflow_1_1async.html#a0a06794b16b72f2829ce3353557c8485">Synchronicity</a> synchronicity = <a class="code hl_enumvalue" href="namespaceflow_1_1async.html#a0a06794b16b72f2829ce3353557c8485a4d7a5700444c0570af37b1f9bcc6eb1f">Synchronicity::S_ASYNC</a>) <span class="keyword">override</span>;</div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno">  161</span><span class="comment"></span> </div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno">  162</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno">  163</span><span class="comment">   * Implements superclass API.  In this implementation: identical to 1-arg post() for the *first* async::Task to be</span></div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno">  164</span><span class="comment">   * associated with `op` (randomly choose T, then basically 1-arg-post() equivalent); for subsequent such `Task`s</span></div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno">  165</span><span class="comment">   * act similarly but simply keep that same T.</span></div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno">  166</span><span class="comment">   *</span></div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno">  167</span><span class="comment">   * @param op</span></div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno">  168</span><span class="comment">   *        See superclass API.</span></div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno">  169</span><span class="comment">   * @param task</span></div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno">  170</span><span class="comment">   *        See superclass API.</span></div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno">  171</span><span class="comment">   * @param synchronicity</span></div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno">  172</span><span class="comment">   *        See superclass API.</span></div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno">  173</span><span class="comment">   */</span></div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno">  174</span>  <span class="keywordtype">void</span> <a class="code hl_function" href="classflow_1_1async_1_1Segregated__thread__task__loop.html#a9ae5be313170da86f361f8bf987b40b4">post</a>(<span class="keyword">const</span> <a class="code hl_typedef" href="namespaceflow_1_1async.html#a024042c64b7dc544a7a5587afa4b1949">Op</a>&amp; op, <a class="code hl_class" href="classflow_1_1Function.html">Task</a>&amp;&amp; task, <a class="code hl_enumeration" href="namespaceflow_1_1async.html#a0a06794b16b72f2829ce3353557c8485">Synchronicity</a> synchronicity = <a class="code hl_enumvalue" href="namespaceflow_1_1async.html#a0a06794b16b72f2829ce3353557c8485a4d7a5700444c0570af37b1f9bcc6eb1f">Synchronicity::S_ASYNC</a>) <span class="keyword">override</span>;</div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno">  175</span><span class="comment"></span> </div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno">  176</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno">  177</span><span class="comment">   * Implements superclass API.  See also 1-arg post().</span></div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno">  178</span><span class="comment">   * @param from_now</span></div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno">  179</span><span class="comment">   *        See superclass API.</span></div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno">  180</span><span class="comment">   * @param task</span></div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno">  181</span><span class="comment">   *        See superclass API.</span></div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno">  182</span><span class="comment">   * @return See superclass API.</span></div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno">  183</span><span class="comment">   */</span></div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno">  184</span>  <a class="code hl_typedef" href="namespaceflow_1_1util.html#aa0d10f5a906b3229f48979aa43e9ff7e">util::Scheduled_task_handle</a> <a class="code hl_function" href="classflow_1_1async_1_1Segregated__thread__task__loop.html#a4cb5a3192dad0ef7d5a228b18d11900a">schedule_from_now</a>(<span class="keyword">const</span> <a class="code hl_typedef" href="namespaceflow.html#a48799f1263cdeedec125be51a3db2b79">Fine_duration</a>&amp; from_now, <a class="code hl_class" href="classflow_1_1Function.html">Scheduled_task</a>&amp;&amp; task) <span class="keyword">override</span>;</div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno">  185</span><span class="comment"></span> </div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno">  186</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno">  187</span><span class="comment">   * Implements superclass API.  See also 1-arg post().</span></div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno">  188</span><span class="comment">   * @param at</span></div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno">  189</span><span class="comment">   *        See superclass API.</span></div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno">  190</span><span class="comment">   * @param task</span></div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno">  191</span><span class="comment">   *        See superclass API.</span></div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno">  192</span><span class="comment">   * @return See superclass API.</span></div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno">  193</span><span class="comment">   */</span></div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno">  194</span>  <a class="code hl_typedef" href="namespaceflow_1_1util.html#aa0d10f5a906b3229f48979aa43e9ff7e">util::Scheduled_task_handle</a> <a class="code hl_function" href="classflow_1_1async_1_1Segregated__thread__task__loop.html#aec44a292a4f2800f40f67bfc4bf19367">schedule_at</a>(<span class="keyword">const</span> <a class="code hl_typedef" href="namespaceflow.html#a9d9cc2eeb10d398cff5591d446b763b8">Fine_time_pt</a>&amp; at, <a class="code hl_class" href="classflow_1_1Function.html">Scheduled_task</a>&amp;&amp; task) <span class="keyword">override</span>;</div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno">  195</span><span class="comment"></span> </div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno">  196</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno">  197</span><span class="comment">   * Implements superclass API.  See also 2-arg post().</span></div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno">  198</span><span class="comment">   * @param op</span></div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno">  199</span><span class="comment">   *        See superclass API.</span></div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno">  200</span><span class="comment">   * @param from_now</span></div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno">  201</span><span class="comment">   *        See superclass API.</span></div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno">  202</span><span class="comment">   * @param task</span></div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno">  203</span><span class="comment">   *        See superclass API.</span></div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno">  204</span><span class="comment">   * @return See superclass API.</span></div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno">  205</span><span class="comment">   */</span></div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno">  206</span>  <a class="code hl_typedef" href="namespaceflow_1_1util.html#aa0d10f5a906b3229f48979aa43e9ff7e">util::Scheduled_task_handle</a> <a class="code hl_function" href="classflow_1_1async_1_1Segregated__thread__task__loop.html#a4cb5a3192dad0ef7d5a228b18d11900a">schedule_from_now</a>(<span class="keyword">const</span> <a class="code hl_typedef" href="namespaceflow_1_1async.html#a024042c64b7dc544a7a5587afa4b1949">Op</a>&amp; op,</div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno">  207</span>                                                <span class="keyword">const</span> <a class="code hl_typedef" href="namespaceflow.html#a48799f1263cdeedec125be51a3db2b79">Fine_duration</a>&amp; from_now, <a class="code hl_class" href="classflow_1_1Function.html">Scheduled_task</a>&amp;&amp; task) <span class="keyword">override</span>;</div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno">  208</span><span class="comment"></span> </div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno">  209</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno">  210</span><span class="comment">   * See superclass API.  See also 2-arg post().</span></div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno">  211</span><span class="comment">   * @param op</span></div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno">  212</span><span class="comment">   *        See superclass API.</span></div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno">  213</span><span class="comment">   * @param at</span></div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno">  214</span><span class="comment">   *        See superclass API.</span></div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno">  215</span><span class="comment">   * @param task</span></div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno">  216</span><span class="comment">   *        See superclass API.</span></div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno">  217</span><span class="comment">   * @return See superclass API.</span></div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno">  218</span><span class="comment">   */</span></div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno">  219</span>  <a class="code hl_typedef" href="namespaceflow_1_1util.html#aa0d10f5a906b3229f48979aa43e9ff7e">util::Scheduled_task_handle</a> <a class="code hl_function" href="classflow_1_1async_1_1Segregated__thread__task__loop.html#aec44a292a4f2800f40f67bfc4bf19367">schedule_at</a>(<span class="keyword">const</span> <a class="code hl_typedef" href="namespaceflow_1_1async.html#a024042c64b7dc544a7a5587afa4b1949">Op</a>&amp; op,</div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno">  220</span>                                          <span class="keyword">const</span> <a class="code hl_typedef" href="namespaceflow.html#a9d9cc2eeb10d398cff5591d446b763b8">Fine_time_pt</a>&amp; at, <a class="code hl_class" href="classflow_1_1Function.html">Scheduled_task</a>&amp;&amp; task) <span class="keyword">override</span>;</div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno">  221</span><span class="comment"></span> </div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno">  222</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno">  223</span><span class="comment">   * See superclass API.  In this implementation: As with create_op(), this selects a thread from the pool randomly,</span></div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno">  224</span><span class="comment">   * and each thread has a 1-1 dedicated internal `Task_engine`.  The load-balancing is hence performed, by us,</span></div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno">  225</span><span class="comment">   * at the time of this call -- not later when one does the `async_*()` action.  (Reminder: general</span></div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno">  226</span><span class="comment">   * `Concurrent_task_loop`-using code would not rely on this implementation information.)  (Reminder: be very sure</span></div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno">  227</span><span class="comment">   * you understand what will happen if/when you pass this into a boost.asio-compliant I/O object&#39;s constructor or</span></div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno">  228</span><span class="comment">   * similar.  See the warning on this topic in Concurrent_task_loop doc header.)</span></div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno">  229</span><span class="comment">   *</span></div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno">  230</span><span class="comment">   * @return See superclass API.</span></div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno">  231</span><span class="comment">   */</span></div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno">  232</span>  <a class="code hl_typedef" href="namespaceflow_1_1async.html#a968806f54b14c697fd76b3339a2bdbbf">Task_engine_ptr</a> <a class="code hl_function" href="classflow_1_1async_1_1Segregated__thread__task__loop.html#a5723cb843a014e8b77fa401cb93f241a">task_engine</a>() <span class="keyword">override</span>;</div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno">  233</span> </div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno">  234</span><span class="keyword">private</span>:</div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno">  235</span>  <span class="comment">// Types.</span></div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno">  236</span><span class="comment"></span> </div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno">  237</span><span class="comment">  /// Short-hand for smart pointer to Task_qing_thread.</span></div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"><a class="line" href="classflow_1_1async_1_1Segregated__thread__task__loop.html#a9ab26417954e4a0cc083266e91ddbdff">  238</a></span><span class="comment"></span>  <span class="keyword">using </span><a class="code hl_typedef" href="classflow_1_1async_1_1Segregated__thread__task__loop.html#a9ab26417954e4a0cc083266e91ddbdff">Task_qing_thread_ptr</a> = boost::movelib::unique_ptr&lt;Task_qing_thread&gt;;</div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno">  239</span> </div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno">  240</span>  <span class="comment">// Methods.</span></div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno">  241</span><span class="comment"></span> </div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno">  242</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno">  243</span><span class="comment">   * Helper performing the core `post(Task_engine&amp;)` (or similar) call on behalf of the various `post()` overloads.</span></div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno">  244</span><span class="comment">   *</span></div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno">  245</span><span class="comment">   * @param chosen_task_engine</span></div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno">  246</span><span class="comment">   *        The value `m_qing_threads[idx].task_engine().` for some valid `idx`: the engine for the thread selected</span></div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno">  247</span><span class="comment">   *        to execute `task`.</span></div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno">  248</span><span class="comment">   * @param synchronicity</span></div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno">  249</span><span class="comment">   *        See any post().</span></div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno">  250</span><span class="comment">   * @param task</span></div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno">  251</span><span class="comment">   *        See any post().</span></div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno">  252</span><span class="comment">   */</span></div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno">  253</span>  <span class="keywordtype">void</span> <a class="code hl_function" href="classflow_1_1async_1_1Segregated__thread__task__loop.html#a68b14a36def5972a6b65f70630fe11ef">post_impl</a>(<span class="keyword">const</span> <a class="code hl_typedef" href="namespaceflow_1_1async.html#a968806f54b14c697fd76b3339a2bdbbf">Task_engine_ptr</a>&amp; chosen_task_engine, <a class="code hl_enumeration" href="namespaceflow_1_1async.html#a0a06794b16b72f2829ce3353557c8485">Synchronicity</a> synchronicity, <a class="code hl_class" href="classflow_1_1Function.html">Task</a>&amp;&amp; task);</div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno">  254</span><span class="comment"></span> </div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno">  255</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno">  256</span><span class="comment">   * Helper performing the core util::schedule_task_from_now() call on behalf of the various</span></div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno">  257</span><span class="comment">   * `schedule_from_now()` overloads.</span></div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno">  258</span><span class="comment">   *</span></div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno">  259</span><span class="comment">   * @param chosen_task_engine</span></div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno">  260</span><span class="comment">   *        See post_impl().</span></div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno">  261</span><span class="comment">   * @param from_now</span></div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno">  262</span><span class="comment">   *        See any schedule_from_now().</span></div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno">  263</span><span class="comment">   * @param task</span></div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno">  264</span><span class="comment">   *        See any schedule_from_now().</span></div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno">  265</span><span class="comment">   * @return See any schedule_from_now().</span></div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno">  266</span><span class="comment">   */</span></div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno">  267</span>  <a class="code hl_typedef" href="namespaceflow_1_1util.html#aa0d10f5a906b3229f48979aa43e9ff7e">util::Scheduled_task_handle</a> <a class="code hl_function" href="classflow_1_1async_1_1Segregated__thread__task__loop.html#a8fbd7b964d140c770eac1f71e52bcf1c">schedule_from_now_impl</a>(<span class="keyword">const</span> <a class="code hl_typedef" href="namespaceflow_1_1async.html#a968806f54b14c697fd76b3339a2bdbbf">Task_engine_ptr</a>&amp; chosen_task_engine,</div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno">  268</span>                                                     <span class="keyword">const</span> <a class="code hl_typedef" href="namespaceflow.html#a48799f1263cdeedec125be51a3db2b79">Fine_duration</a>&amp; from_now,</div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno">  269</span>                                                     <a class="code hl_class" href="classflow_1_1Function.html">Scheduled_task</a>&amp;&amp; task);</div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno">  270</span> </div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno">  271</span>  <span class="comment">// Data.</span></div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno">  272</span><span class="comment"></span> </div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno">  273</span><span class="comment">  /// See constructor.</span></div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"><a class="line" href="classflow_1_1async_1_1Segregated__thread__task__loop.html#a02a10c00df613d1da478e97163dec523">  274</a></span><span class="comment"></span>  <span class="keyword">const</span> std::string <a class="code hl_variable" href="classflow_1_1async_1_1Segregated__thread__task__loop.html#a02a10c00df613d1da478e97163dec523">m_nickname</a>;<span class="comment"></span></div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno">  275</span><span class="comment">  /// See constructor.  @warning Not safe to use this in lieu of n_threads() when this is in fact zero.</span></div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"><a class="line" href="classflow_1_1async_1_1Segregated__thread__task__loop.html#a606e8d4566cbbca893b9ac73dd949516">  276</a></span><span class="comment"></span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> <a class="code hl_variable" href="classflow_1_1async_1_1Segregated__thread__task__loop.html#a606e8d4566cbbca893b9ac73dd949516">m_n_threads_or_zero</a>;<span class="comment"></span></div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno">  277</span><span class="comment">  /// See constructor.</span></div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"><a class="line" href="classflow_1_1async_1_1Segregated__thread__task__loop.html#a99129233794b1c404e604dfdeaeea69d">  278</a></span><span class="comment"></span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> <a class="code hl_variable" href="classflow_1_1async_1_1Segregated__thread__task__loop.html#a99129233794b1c404e604dfdeaeea69d">m_est_hw_core_sharing_helps_algo</a>;<span class="comment"></span></div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno">  279</span><span class="comment">  /// See constructor.</span></div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"><a class="line" href="classflow_1_1async_1_1Segregated__thread__task__loop.html#ad197c375d1f9607431b9deb12ffab349">  280</a></span><span class="comment"></span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> <a class="code hl_variable" href="classflow_1_1async_1_1Segregated__thread__task__loop.html#ad197c375d1f9607431b9deb12ffab349">m_est_hw_core_pinning_helps_algo</a>;<span class="comment"></span></div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno">  281</span><span class="comment">  /// See constructor.</span></div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"><a class="line" href="classflow_1_1async_1_1Segregated__thread__task__loop.html#a7f7f91f11c9aafc386cd0882113795cd">  282</a></span><span class="comment"></span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> <a class="code hl_variable" href="classflow_1_1async_1_1Segregated__thread__task__loop.html#a7f7f91f11c9aafc386cd0882113795cd">m_hw_threads_is_grouping_collated</a>;</div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno">  283</span><span class="comment"></span> </div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno">  284</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno">  285</span><span class="comment">   * N task-execution-capable worker threads whose lifetimes equal those of `*this`, each with its own</span></div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno">  286</span><span class="comment">   * util::Task_engine.  Due to the latter fact, util::Strand would not be useful to implement async::Op</span></div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno">  287</span><span class="comment">   * semantics; as every `Task_engine` involved `run()`s within one thread only.</span></div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno">  288</span><span class="comment">   *</span></div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno">  289</span><span class="comment">   * @warning Outside of ctor, this datum must not be accessed except in start() and stop(), as that would break</span></div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno">  290</span><span class="comment">   *          the thread-safety guarantee wherein post() (and similar) are safe to call concurrently with</span></div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno">  291</span><span class="comment">   *          start() or stop().  All such work shall be done through #m_task_engines exclusively.</span></div>
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno">  292</span><span class="comment">   */</span></div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"><a class="line" href="classflow_1_1async_1_1Segregated__thread__task__loop.html#a15c616fe03a6deb80e4c1f556b023bba">  293</a></span>  std::vector&lt;Task_qing_thread_ptr&gt; <a class="code hl_variable" href="classflow_1_1async_1_1Segregated__thread__task__loop.html#a15c616fe03a6deb80e4c1f556b023bba">m_qing_threads</a>;</div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno">  294</span><span class="comment"></span> </div>
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno">  295</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno">  296</span><span class="comment">   * boost.asio `Task_engine`s (a/k/a `io_context`s) used by each respective element in #m_qing_threads.</span></div>
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno">  297</span><span class="comment">   * It is critical that this not be modified after constructor returns, for the same thread safety reason mentioned</span></div>
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno">  298</span><span class="comment">   * in the warning in #m_qing_threads doc header.</span></div>
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno">  299</span><span class="comment">   */</span></div>
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno"><a class="line" href="classflow_1_1async_1_1Segregated__thread__task__loop.html#ad09c2d973e3794f36bf06bd001ca860e">  300</a></span>  std::vector&lt;Task_engine_ptr&gt; <a class="code hl_variable" href="classflow_1_1async_1_1Segregated__thread__task__loop.html#ad09c2d973e3794f36bf06bd001ca860e">m_task_engines</a>;</div>
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno">  301</span><span class="comment"></span> </div>
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno">  302</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno">  303</span><span class="comment">   * See per_thread_ops().  The `boost::any` payload is always of the type `Task_engine_ptr`.</span></div>
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno">  304</span><span class="comment">   * The latter not being something else, namely Task_qing_thread* or similar, is due to the same thread safety</span></div>
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno">  305</span><span class="comment">   * reason mentioned in the warning in #m_qing_threads doc header.</span></div>
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno">  306</span><span class="comment">   */</span></div>
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno"><a class="line" href="classflow_1_1async_1_1Segregated__thread__task__loop.html#a3e643b2f348746d57b1e2ddb81a1150a">  307</a></span>  boost::movelib::unique_ptr&lt;const Op_list&gt; <a class="code hl_variable" href="classflow_1_1async_1_1Segregated__thread__task__loop.html#a3e643b2f348746d57b1e2ddb81a1150a">m_per_thread_ops</a>;</div>
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno">  308</span>}; <span class="comment">// class Segregated_thread_task_loop</span></div>
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno">  309</span> </div>
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno">  310</span><span class="comment">// Free functions: in *_fwd.hpp.</span></div>
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno">  311</span> </div>
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno">  312</span>} <span class="comment">// namespace flow::async</span></div>
<div class="ttc" id="aasync__fwd_8hpp_html"><div class="ttname"><a href="async__fwd_8hpp.html">async_fwd.hpp</a></div></div>
<div class="ttc" id="aclassflow_1_1Function_html"><div class="ttname"><a href="classflow_1_1Function.html">flow::Function</a></div><div class="ttdef"><b>Definition:</b> <a href="common_8hpp_source.html#l00512">common.hpp:512</a></div></div>
<div class="ttc" id="aclassflow_1_1async_1_1Concurrent__task__loop_html"><div class="ttname"><a href="classflow_1_1async_1_1Concurrent__task__loop.html">flow::async::Concurrent_task_loop</a></div><div class="ttdoc">The core flow::async interface, providing an optionally multi-threaded thread pool onto which runnabl...</div><div class="ttdef"><b>Definition:</b> <a href="concurrent__task__loop_8hpp_source.html#l00322">concurrent_task_loop.hpp:324</a></div></div>
<div class="ttc" id="aclassflow_1_1async_1_1Concurrent__task__loop_html_aa164fb1fe1b3d7fce0de0174d77ea396"><div class="ttname"><a href="classflow_1_1async_1_1Concurrent__task__loop.html#aa164fb1fe1b3d7fce0de0174d77ea396">flow::async::Concurrent_task_loop::Thread_init_func</a></div><div class="ttdeci">Function&lt; void(size_t thread_idx)&gt; Thread_init_func</div><div class="ttdoc">Short-hand for the thread-initializer-function optional arg type to start().</div><div class="ttdef"><b>Definition:</b> <a href="concurrent__task__loop_8hpp_source.html#l00329">concurrent_task_loop.hpp:329</a></div></div>
<div class="ttc" id="aclassflow_1_1async_1_1Op__list_html"><div class="ttname"><a href="classflow_1_1async_1_1Op__list.html">flow::async::Op_list</a></div><div class="ttdoc">Simple, immutable vector-like sequence of N opaque async::Op objects, usually corresponding to N work...</div><div class="ttdef"><b>Definition:</b> <a href="op_8hpp_source.html#l00056">op.hpp:58</a></div></div>
<div class="ttc" id="aclassflow_1_1async_1_1Segregated__thread__task__loop_html"><div class="ttname"><a href="classflow_1_1async_1_1Segregated__thread__task__loop.html">flow::async::Segregated_thread_task_loop</a></div><div class="ttdoc">Concrete Concurrent_task_loop that uses the legacy pin-Tasks-within-1-Op-to-1-thread method of achiev...</div><div class="ttdef"><b>Definition:</b> <a href="segregated__thread__task__loop_8hpp_source.html#l00061">segregated_thread_task_loop.hpp:65</a></div></div>
<div class="ttc" id="aclassflow_1_1async_1_1Segregated__thread__task__loop_html_a02a10c00df613d1da478e97163dec523"><div class="ttname"><a href="classflow_1_1async_1_1Segregated__thread__task__loop.html#a02a10c00df613d1da478e97163dec523">flow::async::Segregated_thread_task_loop::m_nickname</a></div><div class="ttdeci">const std::string m_nickname</div><div class="ttdoc">See constructor.</div><div class="ttdef"><b>Definition:</b> <a href="segregated__thread__task__loop_8hpp_source.html#l00274">segregated_thread_task_loop.hpp:274</a></div></div>
<div class="ttc" id="aclassflow_1_1async_1_1Segregated__thread__task__loop_html_a15c616fe03a6deb80e4c1f556b023bba"><div class="ttname"><a href="classflow_1_1async_1_1Segregated__thread__task__loop.html#a15c616fe03a6deb80e4c1f556b023bba">flow::async::Segregated_thread_task_loop::m_qing_threads</a></div><div class="ttdeci">std::vector&lt; Task_qing_thread_ptr &gt; m_qing_threads</div><div class="ttdoc">N task-execution-capable worker threads whose lifetimes equal those of *this, each with its own util:...</div><div class="ttdef"><b>Definition:</b> <a href="segregated__thread__task__loop_8hpp_source.html#l00293">segregated_thread_task_loop.hpp:293</a></div></div>
<div class="ttc" id="aclassflow_1_1async_1_1Segregated__thread__task__loop_html_a224eeb57edd6e218f984dcbe603b68d3"><div class="ttname"><a href="classflow_1_1async_1_1Segregated__thread__task__loop.html#a224eeb57edd6e218f984dcbe603b68d3">flow::async::Segregated_thread_task_loop::Segregated_thread_task_loop</a></div><div class="ttdeci">Segregated_thread_task_loop(log::Logger *logger_ptr, util::String_view nickname, size_t n_threads_or_zero, bool est_hw_core_sharing_helps_algo=false, bool est_hw_core_pinning_helps_algo=false, bool hw_threads_is_grouping_collated=false)</div><div class="ttdoc">Constructs object, making it available for post() and similar work, but without starting any threads ...</div><div class="ttdef"><b>Definition:</b> <a href="segregated__thread__task__loop_8cpp_source.html#l00029">segregated_thread_task_loop.cpp:29</a></div></div>
<div class="ttc" id="aclassflow_1_1async_1_1Segregated__thread__task__loop_html_a28d7c70f0d3147ba48a10afa84ef98c1"><div class="ttname"><a href="classflow_1_1async_1_1Segregated__thread__task__loop.html#a28d7c70f0d3147ba48a10afa84ef98c1">flow::async::Segregated_thread_task_loop::n_threads</a></div><div class="ttdeci">size_t n_threads() const override</div><div class="ttdoc">Implements superclass API.</div><div class="ttdef"><b>Definition:</b> <a href="segregated__thread__task__loop_8cpp_source.html#l00260">segregated_thread_task_loop.cpp:260</a></div></div>
<div class="ttc" id="aclassflow_1_1async_1_1Segregated__thread__task__loop_html_a3e643b2f348746d57b1e2ddb81a1150a"><div class="ttname"><a href="classflow_1_1async_1_1Segregated__thread__task__loop.html#a3e643b2f348746d57b1e2ddb81a1150a">flow::async::Segregated_thread_task_loop::m_per_thread_ops</a></div><div class="ttdeci">boost::movelib::unique_ptr&lt; const Op_list &gt; m_per_thread_ops</div><div class="ttdoc">See per_thread_ops().</div><div class="ttdef"><b>Definition:</b> <a href="segregated__thread__task__loop_8hpp_source.html#l00307">segregated_thread_task_loop.hpp:307</a></div></div>
<div class="ttc" id="aclassflow_1_1async_1_1Segregated__thread__task__loop_html_a4c42c76a9d3f2926bb5545065d69783e"><div class="ttname"><a href="classflow_1_1async_1_1Segregated__thread__task__loop.html#a4c42c76a9d3f2926bb5545065d69783e">flow::async::Segregated_thread_task_loop::per_thread_ops</a></div><div class="ttdeci">const Op_list &amp; per_thread_ops() override</div><div class="ttdoc">Implements superclass API.</div><div class="ttdef"><b>Definition:</b> <a href="segregated__thread__task__loop_8cpp_source.html#l00270">segregated_thread_task_loop.cpp:270</a></div></div>
<div class="ttc" id="aclassflow_1_1async_1_1Segregated__thread__task__loop_html_a4cb5a3192dad0ef7d5a228b18d11900a"><div class="ttname"><a href="classflow_1_1async_1_1Segregated__thread__task__loop.html#a4cb5a3192dad0ef7d5a228b18d11900a">flow::async::Segregated_thread_task_loop::schedule_from_now</a></div><div class="ttdeci">util::Scheduled_task_handle schedule_from_now(const Fine_duration &amp;from_now, Scheduled_task &amp;&amp;task) override</div><div class="ttdoc">Implements superclass API.</div><div class="ttdef"><b>Definition:</b> <a href="segregated__thread__task__loop_8cpp_source.html#l00312">segregated_thread_task_loop.cpp:312</a></div></div>
<div class="ttc" id="aclassflow_1_1async_1_1Segregated__thread__task__loop_html_a55fcb2e9f5410174c69cb1b9053a6ffd"><div class="ttname"><a href="classflow_1_1async_1_1Segregated__thread__task__loop.html#a55fcb2e9f5410174c69cb1b9053a6ffd">flow::async::Segregated_thread_task_loop::start</a></div><div class="ttdeci">void start(Task &amp;&amp;init_task_or_empty=Task(), const Thread_init_func &amp;thread_init_func_or_empty=Thread_init_func()) override</div><div class="ttdoc">Implements superclass API.</div><div class="ttdef"><b>Definition:</b> <a href="segregated__thread__task__loop_8cpp_source.html#l00098">segregated_thread_task_loop.cpp:98</a></div></div>
<div class="ttc" id="aclassflow_1_1async_1_1Segregated__thread__task__loop_html_a5723cb843a014e8b77fa401cb93f241a"><div class="ttname"><a href="classflow_1_1async_1_1Segregated__thread__task__loop.html#a5723cb843a014e8b77fa401cb93f241a">flow::async::Segregated_thread_task_loop::task_engine</a></div><div class="ttdeci">Task_engine_ptr task_engine() override</div><div class="ttdoc">See superclass API.</div><div class="ttdef"><b>Definition:</b> <a href="segregated__thread__task__loop_8cpp_source.html#l00404">segregated_thread_task_loop.cpp:404</a></div></div>
<div class="ttc" id="aclassflow_1_1async_1_1Segregated__thread__task__loop_html_a606e8d4566cbbca893b9ac73dd949516"><div class="ttname"><a href="classflow_1_1async_1_1Segregated__thread__task__loop.html#a606e8d4566cbbca893b9ac73dd949516">flow::async::Segregated_thread_task_loop::m_n_threads_or_zero</a></div><div class="ttdeci">const size_t m_n_threads_or_zero</div><div class="ttdoc">See constructor.</div><div class="ttdef"><b>Definition:</b> <a href="segregated__thread__task__loop_8hpp_source.html#l00276">segregated_thread_task_loop.hpp:276</a></div></div>
<div class="ttc" id="aclassflow_1_1async_1_1Segregated__thread__task__loop_html_a68b14a36def5972a6b65f70630fe11ef"><div class="ttname"><a href="classflow_1_1async_1_1Segregated__thread__task__loop.html#a68b14a36def5972a6b65f70630fe11ef">flow::async::Segregated_thread_task_loop::post_impl</a></div><div class="ttdeci">void post_impl(const Task_engine_ptr &amp;chosen_task_engine, Synchronicity synchronicity, Task &amp;&amp;task)</div><div class="ttdoc">Helper performing the core post(Task_engine&amp;) (or similar) call on behalf of the various post() overl...</div><div class="ttdef"><b>Definition:</b> <a href="segregated__thread__task__loop_8cpp_source.html#l00360">segregated_thread_task_loop.cpp:360</a></div></div>
<div class="ttc" id="aclassflow_1_1async_1_1Segregated__thread__task__loop_html_a7f7f91f11c9aafc386cd0882113795cd"><div class="ttname"><a href="classflow_1_1async_1_1Segregated__thread__task__loop.html#a7f7f91f11c9aafc386cd0882113795cd">flow::async::Segregated_thread_task_loop::m_hw_threads_is_grouping_collated</a></div><div class="ttdeci">const bool m_hw_threads_is_grouping_collated</div><div class="ttdoc">See constructor.</div><div class="ttdef"><b>Definition:</b> <a href="segregated__thread__task__loop_8hpp_source.html#l00282">segregated_thread_task_loop.hpp:282</a></div></div>
<div class="ttc" id="aclassflow_1_1async_1_1Segregated__thread__task__loop_html_a8257d8aa45ea527ce6c0783e37346743"><div class="ttname"><a href="classflow_1_1async_1_1Segregated__thread__task__loop.html#a8257d8aa45ea527ce6c0783e37346743">flow::async::Segregated_thread_task_loop::create_op</a></div><div class="ttdeci">Op create_op() override</div><div class="ttdoc">Implements superclass API.</div><div class="ttdef"><b>Definition:</b> <a href="segregated__thread__task__loop_8cpp_source.html#l00265">segregated_thread_task_loop.cpp:265</a></div></div>
<div class="ttc" id="aclassflow_1_1async_1_1Segregated__thread__task__loop_html_a8d007bcbedf76eb13d4e1a2df087a470"><div class="ttname"><a href="classflow_1_1async_1_1Segregated__thread__task__loop.html#a8d007bcbedf76eb13d4e1a2df087a470">flow::async::Segregated_thread_task_loop::stop</a></div><div class="ttdeci">void stop() override</div><div class="ttdoc">Implements superclass API.</div><div class="ttdef"><b>Definition:</b> <a href="segregated__thread__task__loop_8cpp_source.html#l00192">segregated_thread_task_loop.cpp:192</a></div></div>
<div class="ttc" id="aclassflow_1_1async_1_1Segregated__thread__task__loop_html_a8fbd7b964d140c770eac1f71e52bcf1c"><div class="ttname"><a href="classflow_1_1async_1_1Segregated__thread__task__loop.html#a8fbd7b964d140c770eac1f71e52bcf1c">flow::async::Segregated_thread_task_loop::schedule_from_now_impl</a></div><div class="ttdeci">util::Scheduled_task_handle schedule_from_now_impl(const Task_engine_ptr &amp;chosen_task_engine, const Fine_duration &amp;from_now, Scheduled_task &amp;&amp;task)</div><div class="ttdoc">Helper performing the core util::schedule_task_from_now() call on behalf of the various schedule_from...</div><div class="ttdef"><b>Definition:</b> <a href="segregated__thread__task__loop_8cpp_source.html#l00374">segregated_thread_task_loop.cpp:374</a></div></div>
<div class="ttc" id="aclassflow_1_1async_1_1Segregated__thread__task__loop_html_a99129233794b1c404e604dfdeaeea69d"><div class="ttname"><a href="classflow_1_1async_1_1Segregated__thread__task__loop.html#a99129233794b1c404e604dfdeaeea69d">flow::async::Segregated_thread_task_loop::m_est_hw_core_sharing_helps_algo</a></div><div class="ttdeci">const bool m_est_hw_core_sharing_helps_algo</div><div class="ttdoc">See constructor.</div><div class="ttdef"><b>Definition:</b> <a href="segregated__thread__task__loop_8hpp_source.html#l00278">segregated_thread_task_loop.hpp:278</a></div></div>
<div class="ttc" id="aclassflow_1_1async_1_1Segregated__thread__task__loop_html_a9ab26417954e4a0cc083266e91ddbdff"><div class="ttname"><a href="classflow_1_1async_1_1Segregated__thread__task__loop.html#a9ab26417954e4a0cc083266e91ddbdff">flow::async::Segregated_thread_task_loop::Task_qing_thread_ptr</a></div><div class="ttdeci">boost::movelib::unique_ptr&lt; Task_qing_thread &gt; Task_qing_thread_ptr</div><div class="ttdoc">Short-hand for smart pointer to Task_qing_thread.</div><div class="ttdef"><b>Definition:</b> <a href="segregated__thread__task__loop_8hpp_source.html#l00238">segregated_thread_task_loop.hpp:238</a></div></div>
<div class="ttc" id="aclassflow_1_1async_1_1Segregated__thread__task__loop_html_a9ae5be313170da86f361f8bf987b40b4"><div class="ttname"><a href="classflow_1_1async_1_1Segregated__thread__task__loop.html#a9ae5be313170da86f361f8bf987b40b4">flow::async::Segregated_thread_task_loop::post</a></div><div class="ttdeci">void post(Task &amp;&amp;task, Synchronicity synchronicity=Synchronicity::S_ASYNC) override</div><div class="ttdoc">Implements superclass API.</div><div class="ttdef"><b>Definition:</b> <a href="segregated__thread__task__loop_8cpp_source.html#l00275">segregated_thread_task_loop.cpp:275</a></div></div>
<div class="ttc" id="aclassflow_1_1async_1_1Segregated__thread__task__loop_html_acc7ece4467f83c910eeec9500ea2554b"><div class="ttname"><a href="classflow_1_1async_1_1Segregated__thread__task__loop.html#acc7ece4467f83c910eeec9500ea2554b">flow::async::Segregated_thread_task_loop::~Segregated_thread_task_loop</a></div><div class="ttdeci">~Segregated_thread_task_loop() override</div><div class="ttdoc">See superclass destructor.</div><div class="ttdef"><b>Definition:</b> <a href="segregated__thread__task__loop_8cpp_source.html#l00088">segregated_thread_task_loop.cpp:88</a></div></div>
<div class="ttc" id="aclassflow_1_1async_1_1Segregated__thread__task__loop_html_ad09c2d973e3794f36bf06bd001ca860e"><div class="ttname"><a href="classflow_1_1async_1_1Segregated__thread__task__loop.html#ad09c2d973e3794f36bf06bd001ca860e">flow::async::Segregated_thread_task_loop::m_task_engines</a></div><div class="ttdeci">std::vector&lt; Task_engine_ptr &gt; m_task_engines</div><div class="ttdoc">boost.asio Task_engines (a/k/a io_contexts) used by each respective element in m_qing_threads.</div><div class="ttdef"><b>Definition:</b> <a href="segregated__thread__task__loop_8hpp_source.html#l00300">segregated_thread_task_loop.hpp:300</a></div></div>
<div class="ttc" id="aclassflow_1_1async_1_1Segregated__thread__task__loop_html_ad197c375d1f9607431b9deb12ffab349"><div class="ttname"><a href="classflow_1_1async_1_1Segregated__thread__task__loop.html#ad197c375d1f9607431b9deb12ffab349">flow::async::Segregated_thread_task_loop::m_est_hw_core_pinning_helps_algo</a></div><div class="ttdeci">const bool m_est_hw_core_pinning_helps_algo</div><div class="ttdoc">See constructor.</div><div class="ttdef"><b>Definition:</b> <a href="segregated__thread__task__loop_8hpp_source.html#l00280">segregated_thread_task_loop.hpp:280</a></div></div>
<div class="ttc" id="aclassflow_1_1async_1_1Segregated__thread__task__loop_html_aec44a292a4f2800f40f67bfc4bf19367"><div class="ttname"><a href="classflow_1_1async_1_1Segregated__thread__task__loop.html#aec44a292a4f2800f40f67bfc4bf19367">flow::async::Segregated_thread_task_loop::schedule_at</a></div><div class="ttdeci">util::Scheduled_task_handle schedule_at(const Fine_time_pt &amp;at, Scheduled_task &amp;&amp;task) override</div><div class="ttdoc">Implements superclass API.</div><div class="ttdef"><b>Definition:</b> <a href="segregated__thread__task__loop_8cpp_source.html#l00345">segregated_thread_task_loop.cpp:345</a></div></div>
<div class="ttc" id="aclassflow_1_1log_1_1Log__context_html"><div class="ttname"><a href="classflow_1_1log_1_1Log__context.html">flow::log::Log_context</a></div><div class="ttdoc">Convenience class that simply stores a Logger and/or Component passed into a constructor; and returns...</div><div class="ttdef"><b>Definition:</b> <a href="log_8hpp_source.html#l01609">log.hpp:1610</a></div></div>
<div class="ttc" id="aclassflow_1_1log_1_1Logger_html"><div class="ttname"><a href="classflow_1_1log_1_1Logger.html">flow::log::Logger</a></div><div class="ttdoc">Interface that the user should implement, passing the implementing Logger into logging classes (Flow'...</div><div class="ttdef"><b>Definition:</b> <a href="log_8hpp_source.html#l01280">log.hpp:1284</a></div></div>
<div class="ttc" id="aconcurrent__task__loop_8hpp_html"><div class="ttname"><a href="concurrent__task__loop_8hpp.html">concurrent_task_loop.hpp</a></div></div>
<div class="ttc" id="adetail_2async__fwd_8hpp_html"><div class="ttname"><a href="detail_2async__fwd_8hpp.html">async_fwd.hpp</a></div></div>
<div class="ttc" id="alog_8hpp_html"><div class="ttname"><a href="log_8hpp.html">log.hpp</a></div></div>
<div class="ttc" id="anamespaceflow_1_1async_html"><div class="ttname"><a href="namespaceflow_1_1async.html">flow::async</a></div><div class="ttdoc">Flow module containing tools enabling multi-threaded event loops operating under the asynchronous-tas...</div><div class="ttdef"><b>Definition:</b> <a href="async__fwd_8hpp_source.html#l00074">async_fwd.hpp:75</a></div></div>
<div class="ttc" id="anamespaceflow_1_1async_html_a024042c64b7dc544a7a5587afa4b1949"><div class="ttname"><a href="namespaceflow_1_1async.html#a024042c64b7dc544a7a5587afa4b1949">flow::async::Op</a></div><div class="ttdeci">boost::any Op</div><div class="ttdoc">An object of this opaque type represents a collection of 1 or more async::Task, past or future,...</div><div class="ttdef"><b>Definition:</b> <a href="async__fwd_8hpp_source.html#l00153">async_fwd.hpp:153</a></div></div>
<div class="ttc" id="anamespaceflow_1_1async_html_a0a06794b16b72f2829ce3353557c8485"><div class="ttname"><a href="namespaceflow_1_1async.html#a0a06794b16b72f2829ce3353557c8485">flow::async::Synchronicity</a></div><div class="ttdeci">Synchronicity</div><div class="ttdoc">Enumeration indicating the manner in which asio_exec_ctx_post(), and various boost....</div><div class="ttdef"><b>Definition:</b> <a href="async__fwd_8hpp_source.html#l00222">async_fwd.hpp:223</a></div></div>
<div class="ttc" id="anamespaceflow_1_1async_html_a0a06794b16b72f2829ce3353557c8485a4d7a5700444c0570af37b1f9bcc6eb1f"><div class="ttname"><a href="namespaceflow_1_1async.html#a0a06794b16b72f2829ce3353557c8485a4d7a5700444c0570af37b1f9bcc6eb1f">flow::async::Synchronicity::S_ASYNC</a></div><div class="ttdeci">@ S_ASYNC</div><div class="ttdoc">Simply post the given task to execute asynchronously in some execution context – as soon as the conte...</div></div>
<div class="ttc" id="anamespaceflow_1_1async_html_a968806f54b14c697fd76b3339a2bdbbf"><div class="ttname"><a href="namespaceflow_1_1async.html#a968806f54b14c697fd76b3339a2bdbbf">flow::async::Task_engine_ptr</a></div><div class="ttdeci">boost::shared_ptr&lt; util::Task_engine &gt; Task_engine_ptr</div><div class="ttdoc">Short-hand for reference-counting pointer to a mutable util::Task_engine (a/k/a boost::asio::io_conte...</div><div class="ttdef"><b>Definition:</b> <a href="async__fwd_8hpp_source.html#l00198">async_fwd.hpp:198</a></div></div>
<div class="ttc" id="anamespaceflow_1_1async_html_af35fb65bdea1a3a92929ec2c4a6a6b72"><div class="ttname"><a href="namespaceflow_1_1async.html#af35fb65bdea1a3a92929ec2c4a6a6b72">flow::async::Task</a></div><div class="ttdeci">Function&lt; void()&gt; Task</div><div class="ttdoc">Short-hand for a task that can be posted for execution by a Concurrent_task_loop or flow::util::Task_...</div><div class="ttdef"><b>Definition:</b> <a href="async__fwd_8hpp_source.html#l00096">async_fwd.hpp:96</a></div></div>
<div class="ttc" id="anamespaceflow_1_1util_html_aa0d10f5a906b3229f48979aa43e9ff7e"><div class="ttname"><a href="namespaceflow_1_1util.html#aa0d10f5a906b3229f48979aa43e9ff7e">flow::util::Scheduled_task_handle</a></div><div class="ttdeci">boost::shared_ptr&lt; Scheduled_task_handle_state &gt; Scheduled_task_handle</div><div class="ttdoc">Black-box type that represents a handle to a scheduled task as scheduled by schedule_task_at() or sch...</div><div class="ttdef"><b>Definition:</b> <a href="sched__task__fwd_8hpp_source.html#l00045">sched_task_fwd.hpp:45</a></div></div>
<div class="ttc" id="anamespaceflow_1_1util_html_ae4dc52186797094b3040379ff19124c9"><div class="ttname"><a href="namespaceflow_1_1util.html#ae4dc52186797094b3040379ff19124c9">flow::util::String_view</a></div><div class="ttdeci">Basic_string_view&lt; char &gt; String_view</div><div class="ttdoc">Commonly used char-based Basic_string_view. See its doc header.</div><div class="ttdef"><b>Definition:</b> <a href="string__view_8hpp_source.html#l00191">string_view.hpp:191</a></div></div>
<div class="ttc" id="anamespaceflow_html_a48799f1263cdeedec125be51a3db2b79"><div class="ttname"><a href="namespaceflow.html#a48799f1263cdeedec125be51a3db2b79">flow::Fine_duration</a></div><div class="ttdeci">Fine_clock::duration Fine_duration</div><div class="ttdoc">A high-res time duration as computed from two Fine_time_pts.</div><div class="ttdef"><b>Definition:</b> <a href="common_8hpp_source.html#l00416">common.hpp:416</a></div></div>
<div class="ttc" id="anamespaceflow_html_a9d9cc2eeb10d398cff5591d446b763b8"><div class="ttname"><a href="namespaceflow.html#a9d9cc2eeb10d398cff5591d446b763b8">flow::Fine_time_pt</a></div><div class="ttdeci">Fine_clock::time_point Fine_time_pt</div><div class="ttdoc">A high-res time point as returned by Fine_clock::now() and suitable for precise time math in general.</div><div class="ttdef"><b>Definition:</b> <a href="common_8hpp_source.html#l00413">common.hpp:413</a></div></div>
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